Chevrolet Chevelle 1977 Repair Manual page 264

(200)7A-28
FORWARD CLUTCH PISTON
CLUTCH O UTER SEAL
(LIP UP)
Fig. 7A-1 1 4 A ~ R e m o vin g or In sta llin g O uter Piston Seal
FORW ARD CLUTCH PISTON
Fig. 7A-1 1 5 A--Removing o r In s ta llin g Inner Piston Seal
19. Check for free operation of check ball.
20. Inspect forward clutch housing snap ring groove
for damage or burrs.
21. Inspect turbine shaft for open oil passages on both
ends of shaft and journals for damage.
FORWARD
CLUTCH
HOUSING
Fig. 7A-1 1 6A -F orw ard Clutch Housing
OVERHAUL MANUAL
CLUTCH IN N E R SEAL
(LIP UP)
EXHAUST
CHECK
BALL
LUBE
HOLE
PLUG
FORWARD CLUTCH
FEED HOLE
22. Inspect cup plug for damage. If cup plug is
damaged or missing, proceed as follows:
a. Use 4mm (No. 3) easy out (grind to fit) and remove
cup plug.
b. Install new cup plug to 1 .Omm (.039") below surface.
Reassembly
1. Install clutch apply ring on piston.
2. Install new outer and inner seals on piston with lips
facing away from clutch apply ring side (Figs. 7A-114A and
7A-115A).
Use extreme care when installing
CAUTION:
forward clutch piston past large forward clutch
snap ring groove. Groove could cut outer seal on
piston.
3. Lubricate seals and install forward clutch piston
(Fig. 7A-117A).
NOTE: To make the piston easier to install, insert tool
between the inner seal and shaft; rotate tool around the
shaft to compress the lip of the seal, while pushing
down slightly on the piston. Use the same procedure
between the outer seal and the housing. Refer to Figs.
7A-117A and 7A-118A.
4. Install retainer and spring assembly.
Retainer could locate in snap ring
CAUTION:
groove and forcing retainer to compress springs,
could damage retainer plate.
F O R W A R D C L U T C H
H O U S IN G
Fig. 7A-1 1 7 A — I nsta 1 1 i ng F o rw a rd C lu tch Piston
Fig. 7 A - 1 1 8 A— I nsta 1 1 i ng Forward Clutch Piston
F O R W A R D C L U T C H
PISTO N
DIRECT
CLUTCH
PISTON
DIRECT
CLUTCH
HO USING